M8 x 21mm - Rivet Nut Flange Head Grip Range 3.0mm-5.5mm - Steel - Pack of 25 CODE: BRNMS08021 £10.77 £12.92 Pitch: 1.25P Diameter: M8 Material: Steel Finish: Bright Zinc Plated and Clear or Yellow Passivation Head Type: Flange Head Thread Type: Metric Coarse Length Under Head: 21mm MORE INFO LESS INFO